Which of the following statements about the modern periodic table is NOT correct?
The statement that is NOT correct is: Period 1 has only one element Period 1 of the periodic table actually has two elements: Hydrogen (H) and Helium (He).
Select the correct combination of mathematical signs to replace the '@' signs and balance the given equation.
22 @ 6 @ 18 @ 17 @ 2
Given below an equation having four blanks you have to check from the alternatives which among the given is correct?
21 _ 51 _ 7 _ 12 _ 75
By Interchanging the given two numbers which of the following equation will be correct?
1 and 6
I. 7 – 5 ...
If the ‘-’ and ‘×’ are interchanged, What will be the value of the following equation?
34 × 22 + 192 ÷ 12 – 8
...If ‘ > ’ means ‘plus’, then ' 55 > 24 $ 4 < 8 % 6 ' = ?
If '@' denotes 'addition', '#' denotes 'subtraction', '$' denotes 'multiplication' and '%' denotes 'division', then what will be the value of the follow...
If ‘A’ means (÷), ‘B’ means (×), ‘C’ means (+), and ‘D’ means (-), then what is the value of the expression:
28 B 3 C 30 A 6 D ...
If "+" means "subtraction", "×" means "division", "÷" means "addition" and "–" means "multiplication", then solve 98 – 2 x 14 ÷ 5 – 7 + 40 .
A toy is sold for Rs. 800 at 60% profit when profit is calculated on selling price. Find the profit% on cost price?
Select the correct combination of the mathematical signs to replace the ‘@’ symbols in the below equation and thereby balance it:
81@9@5@30@1...